There are hundreds of lost tetrapod species across the globe and their number are increasing decade-on-decade. This study aims to find out why some are rediscovered, while others are not.
Artist’s impression of a group of Gigantopithecus blacki in a forest in southern China.
Garcia/Joannes-Boyau (Southern Cross University)
The trace was probably made between 93,000 and 83,000 years ago, almost certainly by a puff adder.
Sharks and rays are rapidly declining globally, and their situation is representative of many other exploited marine species that lack scientific monitoring.
(Carlos Diaz/Ocean Image Bank)
Through regulation, enforcement and monitoring, fisheries management can lead to recoveries in shark and ray populations.
A conservation researcher counts ringtailed lemurs for a zoo’s annual stock take. Zoos have the capacity to do more for conservation science and practice.
(AP Photo/Jon Super).
A puzzle over the identity of an extinct bird that laid eggs across Australia has been solved.
Skeletal reconstruction of the Langebaanweg sabertooth, with highlighted elements to indicate the bones examined in this study.
Adapted from Mauricio Antón (2013)
A closer look at these fossil bones revealed more than the suggestion of a previously undescribed species - it pointed to the individual animal having suffered with osteoarthritis.
Species are declared extinct when there have been no verifiable sightings for 50 years. Declaring a species extinct has implications for conservation efforts and policies.
The Liopleurodon was a pliosaur of the Jurassic period.
SciePro/Shutterstock
While the prospect of reviving extinct species has long been discussed, advances in genome editing have now brought such dreams close to reality.
A specimen of Proscelotes aenea collected by Loveridge in 1918 in Lumbo, Mozambique, now kept at the Museum of Comparative Zoology, Harvard University.
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